Upset Brief · CA-33 · Stephanie M. Vargas (R) vs. Pete Aguilar (D), incumbent
A long shot on the math: it takes a 9.1-point national wave.
9%
odds today
10%
odds with the plan
13,679
net votes to find
37
days left; voting starts October 5
Where
- 01+191RedlandsStarting line Aguilar +6. 1.6% split their ticket.
- 02+171Rancho CucamongaStarting line even. 1.0% split their ticket.
- 03+134San BernardinoStarting line Aguilar +18. 0.7% split their ticket.
- 04+100FontanaStarting line Aguilar +10. 0.5% split their ticket.
- 05+97RialtoStarting line Aguilar +23. 0.9% split their ticket.
- 06+66HighlandStarting line Vargas +4. 0.7% split their ticket.
The top 10 cities and unincorporated areas carry 100% of the plan.
How
- P+614Persuade614 voters who split their ticket in recent elections and lean Aguilar today.
- M+0MobilizeThere are almost no cities and unincorporated areas Vargas's side carries, so turnout alone cannot help here.
- C+263ConsolidateVoters who went third party in recent races, in the cities and unincorporated areas that lean Vargas's way.
Plus a national shift of 9.1 points of margin (12,802 votes) that no campaign controls.
What has to be true
- Vargas wins 50 percent of the ticket splitters now leaning Aguilar.
- The national environment moves about 9.1 points toward Vargas's side between now and November 3.
- No 2026 public poll exists for this race, so the starting line is a weighted blend of official recent results; the first real poll will move it.
The numbers behind it
- 01Crossover regression525 precincts, R² 0.955, 114 crossover precincts identified
- 02Monte Carlo20,000 seeded simulated elections with a 7-point baseline error. 90% range of the final margin with the plan: -28,969 to 3,539 votes.
- 03Money, FEC candidate totals through June 30Vargas no FEC totals reported; Aguilar $3,457,642.
- 04Call program for this list1,365 households, 4,095 dials, about 215 live conversations: an estimated $847 at published rates.
Independent analysis by The Political Group from official California Secretary of State precinct returns (2022 and 2024), FEC filings and published polls, as of September 26, 2026. Not affiliated with any candidate or party.